<template>
  <n-form
    v-bind="getBindValue"
    :model="formModel"
    ref="formElRef"
    label-placement="left"
    label-width="110"
    style=""
  >
    <n-grid v-bind="getGrid" :y-gap="15">
      <n-gi v-bind="schema.giProps" v-for="schema in getSchema" :key="schema.field">
        <n-form-item :label="schema.label" :path="schema.field" style="margin-right: 5px;padding-left:0px">
          <!--判断插槽-->
          <template v-if="schema.slot">
            <slot
              :name="schema.slot"
              :model="formModel"
              :field="schema.field"
              :value="formModel[schema.field]"
            ></slot>
          </template>

          <!--NCheckbox-->
          <!-- 状态管理 -->
          <template v-else-if="schema.component === 'NCheckbox'">
            <n-dropdown @select="handleSelect" trigger="click" :options="status">
              <n-button>{{ state }}</n-button>
            </n-dropdown>
          </template>
          <!--动态渲染表单组件-->
          <component
            v-else
            v-bind="getComponentProps(schema)"
            :is="schema.component"
            v-model:value="formModel[schema.field]"
            :class="{ isFull: schema.isFull != false && getProps.isFull }"
          />
          <!--组件后面的内容-->
          <template v-if="schema.suffix">
            <slot
              :name="schema.suffix"
              :model="formModel"
              :field="schema.field"
              :value="formModel[schema.field]"
            ></slot>
          </template>
        </n-form-item>
      </n-gi>
      <!--提交 重置 展开 收起 按钮-->
      <n-gi
        :span="isInline ? '' : 24"
        :suffix="isInline ? true : false"
        #="{ overflow }"
        v-if="getProps.showActionButtonGroup"
      >
        <n-space
          align="center"
          :justify="isInline ? 'end' : 'start'"
          :style="{ 'margin-left': `${isInline ? 12 : getProps.labelWidth}px` }"
        >
          <n-button
            v-if="getProps.showSubmitButton"
            v-bind="getSubmitBtnOptions"
            @click="handleSubmit"
            :loading="loadingSub"
            >{{ getProps.submitButtonText }}</n-button
          >
          <n-button
            v-if="getProps.showResetButton"
            v-bind="getResetBtnOptions"
            @click="
              resetFields();
              resetstate();
            "
            >{{ getProps.resetButtonText }}</n-button
          >
           
        </n-space>
      </n-gi>
    </n-grid>
  </n-form>
</template>

<script lang="ts">
import { defineComponent, reactive, ref, computed, unref, onMounted, watch } from 'vue';
import { createPlaceholderMessage } from './helper';
import { useFormEvents } from './hooks/useFormEvents';
import { useFormValues } from './hooks/useFormValues';

import { basicProps } from './props';
import { DownOutlined, UpOutlined, QuestionCircleOutlined } from '@vicons/antd';

import type { Ref } from 'vue';
import type { GridProps } from 'naive-ui/lib/grid';
import type { FormSchema, FormProps, FormActionType } from './types/form';

import { isArray } from '@/utils/is/index';
import { deepMerge } from '@/utils';
import { useMessage } from 'naive-ui';

export default defineComponent({
  name: 'BasicUpload',
  components: { DownOutlined, UpOutlined, QuestionCircleOutlined },
  props: {
    ...basicProps,
  },
  emits: ['reset', 'submit', 'register'],
  setup(props, { emit, attrs }) {
    const defaultFormModel = ref<Recordable>({});
    const formModel = reactive<Recordable>({});
    const propsRef = ref<Partial<FormProps>>({});
    const schemaRef = ref<Nullable<FormSchema[]>>(null);
    const formElRef = ref<Nullable<FormActionType>>(null);
    const gridCollapsed = ref(true);
    const loadingSub = ref(false);
    const isUpdateDefaultRef = ref(false);
    const status = props.Toption;

    const getSubmitBtnOptions = computed(() => {
      return Object.assign(
        {
          size: props.size,
          type: 'primary',
        },
        props.submitButtonOptions
      );
    });

    const getResetBtnOptions = computed(() => {
      return Object.assign(
        {
          size: props.size,
          type: 'default',
        },
        props.resetButtonOptions
      );
    });

    function getComponentProps(schema) {
      const compProps = schema.componentProps ?? {};
      const component = schema.component;
      return {
        clearable: true,
        placeholder: createPlaceholderMessage(unref(component)),
        ...compProps,
      };
    }

    const getProps = computed((): FormProps => {
      const formProps = { ...props, ...unref(propsRef) } as FormProps;
      const rulesObj: any = {
        rules: {},
      };
      const schemas: any = formProps.schemas || [];
      schemas.forEach((item) => {
        if (item.rules && isArray(item.rules)) {
          rulesObj.rules[item.field] = item.rules;
        }
      });
      return { ...formProps, ...unref(rulesObj) };
    });

    const isInline = computed(() => {
      const { layout } = unref(getProps);
      return layout === 'inline';
    });

    const getGrid = computed((): GridProps => {
      const { gridProps } = unref(getProps);
      return {
        ...gridProps,
        collapsed: isInline.value ? gridCollapsed.value : false,
        responsive: 'screen',
      };
    });

    const getBindValue = computed(() => ({ ...attrs, ...props, ...unref(getProps) } as Recordable));

    const getSchema = computed((): FormSchema[] => {
      const schemas: FormSchema[] = unref(schemaRef) || (unref(getProps).schemas as any);
      for (const schema of schemas) {
        const { defaultValue } = schema;
        // handle date type
        // dateItemType.includes(component as string)
        if (defaultValue) {
          schema.defaultValue = defaultValue;
        }
      }
      return schemas as FormSchema[];
    });

    const { handleFormValues, initDefault } = useFormValues({
      getProps,
      defaultFormModel,
      getSchema,
      formModel,
    });

    const { handleSubmit, validate, resetFields, getFieldsValue, clearValidate, setFieldsValue } =
      useFormEvents({
        emit,
        getProps,
        formModel,
        getSchema,
        formElRef: formElRef as Ref<FormActionType>,
        defaultFormModel,
        loadingSub,
        handleFormValues,
      });

    function unfoldToggle() {
      gridCollapsed.value = !gridCollapsed.value;
    }

    async function setProps(formProps: Partial<FormProps>): Promise<void> {
      propsRef.value = deepMerge(unref(propsRef) || {}, formProps);
    }

    const formActionType: Partial<FormActionType> = {
      getFieldsValue,
      setFieldsValue,
      resetFields,
      validate,
      clearValidate,
      setProps,
      submit: handleSubmit,
    };

    watch(
      () => getSchema.value,
      (schema) => {
        if (unref(isUpdateDefaultRef)) {
          return;
        }
        if (schema?.length) {
          initDefault();
          isUpdateDefaultRef.value = true;
        }
      }
    );

    onMounted(() => {
      initDefault();
      emit('register', formActionType);
    });
    const state = ref('请选择');
    console.log(status);

    const message = useMessage();
    const showDropdownRef = ref(false);
    const resetstate = () => {
      state.value = '请选择';
    };
    return {
      formElRef,
      formModel,
      getGrid,
      getProps,
      getBindValue,
      getSchema,
      getSubmitBtnOptions,
      getResetBtnOptions,
      handleSubmit,
      resetFields,
      loadingSub,
      isInline,
      getComponentProps,
      unfoldToggle,
      state,
      resetstate,

      status,
      showDropdown: showDropdownRef,

      //切换交易状态
      handleSelect(key) {
        state.value = key;
        console.log(state.value); // 此处写逻辑
      },
    };
  },
});
</script>

<style lang="less" scoped>

.isFull {
  width: 100%;
  justify-content: flex-start;
}

.unfold-icon {
  display: flex;
  align-items: center;
  height: 100%;
  margin-left: -3px;
}
.n-card__content{
  padding-left: 0px!important;
}

element.style {
    padding-left: 0px!important;
}

</style>
